This is the 78th most frequent Icelandic word.
bæði
"Both."
In this sentence, 'bæði' is used as a conjunction in the construction 'bæði ... og ...', which signifies 'both ... and ...' to link two parallel choices.
Ég vil bæði bókina og diskinn.
I want both the book and the disk.
Here, 'bæði' is used with a noun to refer to two specific items or persons collectively, implying 'both' in reference to them.
Bæði börnin voru ánægð með gjafirnar.
Both children were happy with the gifts.
In this instance, 'bæði' precedes adjectives and is used in the 'bæði ... og ...' setup to describe someone or something possessing multiple qualities.